/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


window.ASC.Files.Socket = (function () {
    var isInit = false;
    var filesSocket;

    var init = function () {
        if (isInit === false) {
            if (ASC.SocketIO && !ASC.SocketIO.disabled()) {
                isInit = true;

                filesSocket = ASC.SocketIO.Factory.files;
                filesSocket
                    .connect(function () {
                    })
                    .on("changeEditors", function (fileId) {
                        ASC.Files.UI.checkEditing();
                    });
            }
        }
    };

    var subscribeChangeEditors = function (fileIds) {
        if (isInit === false) {
            return;
        }

        filesSocket.emit("subscribeChangeEditors", fileIds, function () {
        });
    };

    return {
        init: init,

        subscribeChangeEditors: subscribeChangeEditors,
    };
})();

(function ($) {
    $(function () {
        ASC.Files.Socket.init();
    });
})(jQuery);